class BasicTest(unittest.TestCase):
    def setUp(self):
        bl = generate_block_for_sorting(
            nb_unit=3,
            duration=1. * pq.s,
            noise_ratio=0.2,
            nb_segment=2,
        )
        rcg = bl.recordingchannelgroups[0]
        self.sps = SpikeSorter(rcg, initial_state='full_band_signal')

    def tearDown(self):
        pass

    def test_getattr_aliases(self):
        self.assertIs(self.sps.segs, self.sps.segments)
        self.assertRaises(AttributeError, getattr, self.sps,
                          'i_love_my_mother')

    def test_getattr_runstep(self):
        self.sps.ButterworthFilter(f_low=200.)
        self.assertIsInstance(self.sps.history[-1]['methodInstance'],
                              ButterworthFilter)

    def test_one_standart_pipeline(self):
        self.sps.ButterworthFilter(f_low=200.)
        self.assertIsNotNone(self.sps.filtered_sigs)

        self.sps.MedianThresholdDetection(
            sign='-',
            median_thresh=6,
        )
        self.assertIsNotNone(self.sps.spike_index_array)

        self.sps.AlignWaveformOnDetection(left_sweep=1 * pq.ms,
                                          right_sweep=2 * pq.ms)
        self.assertIsNotNone(self.sps.seg_spike_slices)
        self.assertIsNotNone(self.sps.spike_waveforms)
        self.assertIsNotNone(self.sps.left_sweep)
        self.assertIsNotNone(self.sps.right_sweep)

        self.sps.PcaFeature(n_components=3)
        self.assertIsNotNone(self.sps.waveform_features)

        self.sps.SklearnGaussianMixtureEm(n_cluster=12, n_iter=500)
        self.assertIsNotNone(self.sps.spike_clusters)
        self.assertIsNotNone(self.sps.cluster_names)

    def test_apply_history_to_other(self):
        sps2 = SpikeSorter(self.sps.rcg, initial_state='full_band_signal')
        self.sps.apply_history_to_other(sps2)
示例#2
0
def test1():
    bl = generate_block_for_sorting(
        nb_unit=6,
        duration=10. * pq.s,
        noise_ratio=0.2,
        nb_segment=2,
    )
    rcg = bl.recordingchannelgroups[0]

    spikesorter = SpikeSorter(rcg)

    spikesorter.ButterworthFilter(f_low=200.)
    spikesorter.RelativeThresholdDetection(sign='-',
                                           relative_thresh=4.,
                                           noise_estimation='MAD',
                                           threshold_mode='crossing')
    #~ spikesorter.RelativeThresholdDetection(sign= '-', relative_thresh = 4.,noise_estimation = 'MAD', threshold_mode = 'peak')

    spikesorter.AlignWaveformOnDetection(left_sweep=1 * pq.ms,
                                         right_sweep=2 * pq.ms,
                                         sign='-')
    #~ spikesorter.AlignWaveformOnPeak(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, sign = '-', peak_method = 'biggest_amplitude')
    #~ spikesorter.AlignWaveformOnPeak(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, sign = '-', peak_method = 'closer')
    #~ spikesorter.AlignWaveformOnCentralWaveform(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, )

    #~ print spikesorter.spike_waveforms.shape
    #~ s0 = spikesorter.spike_waveforms.shape[0]
    #~ wf2 = spikesorter.spike_waveforms.reshape(s0, -1)
    #~ from matplotlib import pyplot
    #~ pyplot.plot(wf2[:-10, :].transpose())
    #~ pyplot.show()

    print spikesorter

    spikesorter.check_display_attributes()
    from OpenElectrophy.gui.spikesorting import AverageWaveforms, AllWaveforms

    app = QApplication([])
    w1 = AverageWaveforms(spikesorter=spikesorter)
    w1.refresh()
    w1.show()
    w2 = AllWaveforms(spikesorter=spikesorter)
    w2.refresh()
    w2.show()
    app.exec_()
def test1():
    bl = generate_block_for_sorting(
        nb_unit=6,
        duration=10. * pq.s,
        noise_ratio=0.2,
        nb_segment=2,
    )
    rcg = bl.recordingchannelgroups[0]

    spikesorter = SpikeSorter(rcg)

    spikesorter.ButterworthFilter(f_low=200.)
    #~ spikesorter.RelativeThresholdDetection(sign= '-', relative_thresh = 4.,noise_estimation = 'MAD', threshold_mode = 'crossing')
    spikesorter.RelativeThresholdDetection(sign='-',
                                           relative_thresh=4.,
                                           noise_estimation='MAD',
                                           threshold_mode='peak')

    spikesorter.AlignWaveformOnDetection(left_sweep=1.5 * pq.ms,
                                         right_sweep=2.5 * pq.ms,
                                         sign='-')
    spikesorter.PcaFeature(n_components=4)
    spikesorter.SklearnKMeans(n_cluster=3)

    #~ spikesorter.AlignWaveformOnPeak(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, sign = '-', peak_method = 'biggest_amplitude')
    #~ spikesorter.AlignWaveformOnPeak(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, sign = '-', peak_method = 'closer')
    spikesorter.AlignWaveformOnCentralWaveform(
        left_sweep=1 * pq.ms,
        right_sweep=2 * pq.ms,
        shift_estimation_method='taylor order1',
        #~ shift_estimation_method = 'taylor order2',
        #~ shift_estimation_method ='optimize',
        #~ shift_method = 'spline',
        shift_method='sinc',
        max_iter=3)

    step = spikesorter.history[-1]
    instance = step['methodInstance']

    fig = pyplot.figure()
    instance.plot_iterative_centers(fig, spikesorter)

    pyplot.show()
                                                    duration = 10.*pq.s,
                                                    noise_ratio = 0.2,
                                                    nb_segment = 2,
                                                    )
rcg = bl.recordingchannelgroups[0]
spikesorter = SpikeSorter(rcg, initial_state='full_band_signal')


# Apply a chain
spikesorter.ButterworthFilter( f_low = 200.)
spikesorter.MedianThresholdDetection(sign= '-', median_thresh = 6.,)
spikesorter.AlignWaveformOnPeak(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms, sign = '-')


# display widget interactivively
from OpenElectrophy.gui.spikesorting import AverageWaveforms
w1 = AverageWaveforms(spikesorter = spikesorter)
w1.show()


# test another step methods
spikesorter.AlignWaveformOnDetection(left_sweep = 1*pq.ms , right_sweep = 2*pq.ms)
w1.refresh()